diff --git a/src/net/sf/openrocket/file/simplesax/DelegatorHandler.java b/src/net/sf/openrocket/file/simplesax/DelegatorHandler.java
index b5403b521..08b9ef0ab 100644
--- a/src/net/sf/openrocket/file/simplesax/DelegatorHandler.java
+++ b/src/net/sf/openrocket/file/simplesax/DelegatorHandler.java
@@ -11,7 +11,7 @@ import org.xml.sax.SAXException;
 import org.xml.sax.helpers.DefaultHandler;
 
 /**
- * The actual handler class.  Contains the necessary methods for parsing the SAX source.
+ * The actual SAX handler class.  Contains the necessary methods for parsing the SAX source.
  * Delegates the actual content parsing to {@link ElementHandler} objects.
  */
 class DelegatorHandler extends DefaultHandler {
diff --git a/src/net/sf/openrocket/file/simplesax/NullElementHandler.java b/src/net/sf/openrocket/file/simplesax/NullElementHandler.java
index 03bb12494..e8dd2df80 100644
--- a/src/net/sf/openrocket/file/simplesax/NullElementHandler.java
+++ b/src/net/sf/openrocket/file/simplesax/NullElementHandler.java
@@ -8,16 +8,18 @@ import net.sf.openrocket.aerodynamics.WarningSet;
 import org.xml.sax.SAXException;
 
 /**
- * An element handler that does not accept any content in the element except whitespace
- * text.  All subelements are ignored and an error is produced of them.  Any attributes
- * are ignored.
+ * A singleton element handler that does not accept any content in the element
+ * except whitespace text.  All subelements are ignored and a warning is produced
+ * of them.  It ignores any attributes.
+ * <p>
+ * This class can be used for elements that have no content but contain attributes.
  * 
  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
  */
 public class NullElementHandler extends ElementHandler {
 	public static final NullElementHandler INSTANCE = new NullElementHandler();
 
-	private static final HashMap<String, String> EMPTY_MAP = new HashMap<String,String>(); 
+	private static final HashMap<String, String> EMPTY_MAP = new HashMap<String,String>();
 	
 	private NullElementHandler() {
 	}